Home / 10,645.02-15,970.37-4,071.74

Finding the Fourth Proportional to 10,645.02, 15,970.37 and 4,071.74

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Solution

The fourth proportional to 10,645.02, 15,970.37 and 4,071.74 is: 6,108.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.02 : 15,970.37 = 4,071.74 : x
  2. Step 2: Convert to fraction form
    10,645.02/15,970.37 = 4,071.74/x
  3. Step 3: Cross multiply
    10,645.02x = 15,970.37 × 4,071.74
  4. Step 4: Simplify right side
    10,645.02x = 65,027,094.13
  5. Step 5: Solve for x
    x = 65,027,094.13/10,645.02
  6. Step 6: Final answer
    x = 6,108.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.